"""Peewee migrations: ::

    > Model = migrator.orm['name']

    > migrator.sql(sql)
    > migrator.python(func, *args, **kwargs)
    > migrator.create_model(Model)
    > migrator.remove_model(Model, cascade=True)
    > migrator.add_fields(Model, **fields)
    > migrator.change_fields(Model, **fields)
    > migrator.remove_fields(Model, *field_names, cascade=True)
    > migrator.rename_field(Model, old_field_name, new_field_name)
    > migrator.rename_table(Model, new_table_name)
    > migrator.add_index(Model, *col_names, unique=False)
    > migrator.drop_index(Model, index_name)
    > migrator.add_not_null(Model, field_name)
    > migrator.drop_not_null(Model, field_name)
    > migrator.add_default(Model, field_name, default)

"""

import datetime as dt
import peewee as pw


def migrate(migrator, database, fake=False, **kwargs):
    """Write your migrations here."""

    @migrator.create_model
    class Gateway(pw.Model):
        id = pw.CharField(max_length=255, primary_key=True)
        screen_name = pw.CharField(max_length=30)
        logo = pw.CharField(max_length=40)
        currency = pw.ForeignKeyField(db_column='currency_id', rel_model=migrator.orm['currency'], to_field='id')
        account = pw.ForeignKeyField(db_column='account_id', rel_model=migrator.orm['account'], to_field='id')
        fee_rate = pw.DecimalField(auto_round=True, decimal_places=4, max_digits=10, rounding='ROUND_HALF_EVEN')


def rollback(migrator, database, fake=False, **kwargs):
    """Write your rollback migrations here."""

    migrator.remove_model('gateway')
